aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/compiler/qv4compilercontext_p.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/qml/compiler/qv4compilercontext_p.h')
-rw-r--r--src/qml/compiler/qv4compilercontext_p.h96
1 files changed, 47 insertions, 49 deletions
diff --git a/src/qml/compiler/qv4compilercontext_p.h b/src/qml/compiler/qv4compilercontext_p.h
index 8c124ac409..ceb5d00a0b 100644
--- a/src/qml/compiler/qv4compilercontext_p.h
+++ b/src/qml/compiler/qv4compilercontext_p.h
@@ -1,41 +1,5 @@
-/****************************************************************************
-**
-** Copyright (C) 2017 The Qt Company Ltd.
-** Contact: https://www.qt.io/licensing/
-**
-** This file is part of the QtQml module of the Qt Toolkit.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** Commercial License Usage
-** Licensees holding valid commercial Qt licenses may use this file in
-** accordance with the commercial license agreement provided with the
-** Software or, alternatively, in accordance with the terms contained in
-** a written agreement between you and The Qt Company. For licensing terms
-** and conditions see https://www.qt.io/terms-conditions. For further
-** information use the contact form at https://www.qt.io/contact-us.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 3 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL3 included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 3 requirements
-** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
-**
-** GNU General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU
-** General Public License version 2.0 or (at your option) the GNU General
-** Public license version 3 or any later version approved by the KDE Free
-** Qt Foundation. The licenses are as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
-** included in the packaging of this file. Please review the following
-** information to ensure the GNU General Public License requirements will
-** be met: https://www.gnu.org/licenses/gpl-2.0.html and
-** https://www.gnu.org/licenses/gpl-3.0.html.
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
+// Copyright (C) 2017 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QV4COMPILERCONTEXT_P_H
#define QV4COMPILERCONTEXT_P_H
@@ -56,6 +20,11 @@
#include <QtCore/QDateTime>
#include <QtCore/QStack>
#include <QtCore/QHash>
+#include <QtCore/QMap>
+#include <QtCore/QSet>
+#include <QtCore/QVarLengthArray>
+
+#include <memory>
QT_BEGIN_NAMESPACE
@@ -177,16 +146,27 @@ struct Context {
FunctionDefinition
};
+ struct SourceLocationTable
+ {
+ struct Entry
+ {
+ quint32 offset;
+ QQmlJS::SourceLocation location;
+ };
+ QVector<Entry> entries;
+ };
+
struct Member {
MemberType type = UndefinedMember;
int index = -1;
QQmlJS::AST::VariableScope scope = QQmlJS::AST::VariableScope::Var;
mutable bool canEscape = false;
+ bool isInjected = false;
QQmlJS::AST::FunctionExpression *function = nullptr;
- QQmlJS::AST::SourceLocation endOfInitializerLocation;
+ QQmlJS::SourceLocation declarationLocation;
bool isLexicallyScoped() const { return this->scope != QQmlJS::AST::VariableScope::Var; }
- bool requiresTDZCheck(const QQmlJS::AST::SourceLocation &accessLocation, bool accessAcrossContextBoundaries) const;
+ bool requiresTDZCheck(const QQmlJS::SourceLocation &accessLocation, bool accessAcrossContextBoundaries) const;
};
typedef QMap<QString, Member> MemberMap;
@@ -194,7 +174,7 @@ struct Context {
QSet<QString> usedVariables;
QQmlJS::AST::FormalParameterList *formals = nullptr;
QQmlJS::AST::BoundNames arguments;
- QString returnType;
+ QQmlJS::AST::Type *returnType = nullptr;
QStringList locals;
QStringList moduleRequests;
QVector<ImportEntry> importEntries;
@@ -204,7 +184,8 @@ struct Context {
ControlFlow *controlFlow = nullptr;
QByteArray code;
- QVector<CompiledData::CodeOffsetToLine> lineNumberMapping;
+ QVector<CompiledData::CodeOffsetToLineAndStatement> lineAndStatementNumberMapping;
+ std::unique_ptr<SourceLocationTable> sourceLocationTable;
std::vector<unsigned> labelInfo;
int nRegisters = 0;
@@ -227,7 +208,7 @@ struct Context {
bool isWithBlock = false;
bool isCatchBlock = false;
QString caughtVariable;
- QQmlJS::AST::SourceLocation lastBlockInitializerLocation;
+ QQmlJS::SourceLocation lastBlockInitializerLocation;
enum UsesArgumentsObject {
ArgumentsObjectUnknown,
@@ -289,12 +270,20 @@ struct Context {
isStrict = true;
}
- int findArgument(const QString &name) const
+ bool hasArgument(const QString &name) const
+ {
+ return arguments.contains(name);
+ }
+
+ int findArgument(const QString &name, bool *isInjected) const
{
// search backwards to handle duplicate argument names correctly
for (int i = arguments.size() - 1; i >= 0; --i) {
- if (arguments.at(i).id == name)
+ const auto &arg = arguments.at(i);
+ if (arg.id == name) {
+ *isInjected = arg.isInjected();
return i;
+ }
}
return -1;
}
@@ -330,8 +319,11 @@ struct Context {
usedVariables.insert(name);
}
- bool addLocalVar(const QString &name, MemberType contextType, QQmlJS::AST::VariableScope scope, QQmlJS::AST::FunctionExpression *function = nullptr,
- const QQmlJS::AST::SourceLocation &endOfInitializer = QQmlJS::AST::SourceLocation());
+ bool addLocalVar(
+ const QString &name, MemberType contextType, QQmlJS::AST::VariableScope scope,
+ QQmlJS::AST::FunctionExpression *function = nullptr,
+ const QQmlJS::SourceLocation &declarationLocation = QQmlJS::SourceLocation(),
+ bool isInjected = false);
struct ResolvedName {
enum Type {
@@ -346,12 +338,13 @@ struct Context {
bool isArgOrEval = false;
bool isConst = false;
bool requiresTDZCheck = false;
+ bool isInjected = false;
int scope = -1;
int index = -1;
- QQmlJS::AST::SourceLocation endOfDeclarationLocation;
+ QQmlJS::SourceLocation declarationLocation;
bool isValid() const { return type != Unresolved; }
};
- ResolvedName resolveName(const QString &name, const QQmlJS::AST::SourceLocation &accessLocation);
+ ResolvedName resolveName(const QString &name, const QQmlJS::SourceLocation &accessLocation);
void emitBlockHeader(Compiler::Codegen *codegen);
void emitBlockFooter(Compiler::Codegen *codegen);
@@ -367,6 +360,11 @@ struct Context {
return parent->canHaveTailCalls();
return false;
}
+
+ bool isCaseBlock() const
+ {
+ return contextType == ContextType::Block && name == u"%CaseBlock";
+ }
};